Sport cap holder



FIG. 1 is a perspective view of a sport cap holder showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof, the opposite side being a mirror image;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken line showing of a cap is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a sport cap holder, as shown and described. 